17544820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 38153808

約数和(自身を除く): 20608988

約数列:

[1, 2, 4, 5, 10, 20, 61, 73, 122, 146, 197, 244, 292, 305, 365, 394, 610, 730, 788, 985, 1220, 1460, 1970, 3940, 4453, 8906, 12017, 14381, 17812, 22265, 24034, 28762, 44530, 48068, 57524, 60085, 71905, 89060, 120170, 143810, 240340, 287620, 877241, 1754482, 3508964, 4386205, 8772410, 17544820]

約数ペア:

[(1, 17544820), (2, 8772410), (4, 4386205), (5, 3508964), (10, 1754482), (20, 877241), (61, 287620), (73, 240340), (122, 143810), (146, 120170), (197, 89060), (244, 71905), (292, 60085), (305, 57524), (365, 48068), (394, 44530), (610, 28762), (730, 24034), (788, 22265), (985, 17812), (1220, 14381), (1460, 12017), (1970, 8906), (3940, 4453)]